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Air-Gapped Computers Vulnerable to Data Stealing Through Internal Speakers
Heimdal Security Blog heimdalsecurity.com
South Korean researchers developed a new covert channel attack named CASPER. It uses internal speakers to leak data from air-gapped PCs to nearby smartphones at a rate of 20 bits per second. Until now, similar attacks used external speakers. But network-isolated systems, commonly used in highly secretive organizations, do not usually have external speakers. The […]
The post Air-Gapped Computers Vulnerable to Data Stealing Through Internal Speakers appeared first on Heimdal Security Blog.
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